the ratio of the presents ages of a brother and a sister is 7:4, four years ago their ages was 5:2. Find their present ages.
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Answer:
brother=14 sister=8
Step-by-step explanation:
multiply the ratio 7:4 to 1 up to 10
then subtract the resulting ratios to 4 until you find a ratio that is divisible by the ratio 5:2
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